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173:. From this position they guide the stands of drill pipe, typically 90 feet (27 meters) long, into the fingers at the top of the derrick while tripping (removing the drill string) out of the hole. When tripping into the hole (or "running in") they will pull the pipe out of the fingers and guide it into the elevators suspended from the top drive. Traditionally, the derrickhand also works closely with the mud engineer (see
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and mud pumps (making sure they run well and fixing them as needed). The derrickhand is also responsible for the transfer of additional fluids or chemicals (e.g.: Barite, Bentonite or oil-based fluids) from bulk silos or tanks (tank farm) to the mud system.
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The
Derrickhand or derrickman position varies greatly from one drilling rig to another. He almost always reports directly to the driller. The name derrickman comes from the position that he normally occupies, which is at the top of the
149:. Their job is to guide the stands of the drill pipe into the fingers at the top of the derrick. Other duties might include monitoring pH and calcium levels, viscosity and the mud weight (
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The name derrickhand comes from the position they typically occupy, which is at the top of the
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A derrickhand works from the rig's derrick to assist with drilling operations.
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Macondo: The Gulf Oil
Disaster, Chief Counsel's Report, 2011
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This job-, occupation-, or vocation-related article is a
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16:Person who sits atop the derrick on a drilling rig
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243:JOB INTERVIEW Offshore Drilling Rigs
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